TGIF (Thank Gods Its Friday) will help you count the time until Beer OClock Friday. With a glass of beer that fills up during the week, as Beer OClock approaches.
With inbuilt Twitter Account integration, you can let your twitter follows know how long it is till Beer OClock.
Choose the time of day, each Friday that Beer OClock occurs.
With Local Notifications that alert you of Beer OClock even when the app is not running.